トピ主さんは一人暮らしですか?
もし誰かと一緒に住んでいるのなら、その人が同じ住所の書いてあるIDを持っていませんか?
私は自分のIDで夫の荷物を受け取った事があります。
同じ住所でなくても受け取る方法があるみたいですよ。
本人が取りに行けるのに回りくどいですが、どうしてもトピ主さんが受け取れなくて困ったら試してみてください。
What to bring if you are collecting
Your own item
Acceptable government-issued photo ID
On behalf of someone else or home-based business
At the same address
Acceptable government-issued photo ID that shows you have the same address as the address on the item
Do not live at the same address
One piece of acceptable government-issued photo ID and one of the following:
Delivery notice card signed by the addressee and with your name listed as the authorized individual.
Letter of authorization or legal document (such as a power of attorney) demonstrating your authority to act on the addressee’s behalf.
https://www.canadapost-postescanada.ca/cpc/en/support/kb/other-products-services/post-office/what-id-is-required-to-pick-up-mail-at-the-post-office